
Robert B. Hendrick & Sons Co. . Is a private consulting engineering company set up in 1975. Previously known as Hendrick & Hendrick Engineers (est. 1957) our company supplies customers with complete engineering services within the areas of roadway, bridge, traffic, and general civil engineering design. We supply sound design and detailing services for customers on all projects. With over 55 years of design experience, our engineers have been involved in the design of over 300 miles of roadway and over 80 bridges in the state of Oklahoma.